The bayonet cannot be abolished for the reason, if for no other, that it is the sole and exclusive embodiment of that willpower which, alone, both in war and everyday life, attains its object.—General M. I. Dragomirov

Check out Accurate #5744 powder. I have used this in my .30-06 and lead bullets, and in my .32 Win Special. Works great. Easy to ignite, so no case filler is needed. Their manual has a section of reduced loads.